//
// Created by chenjianhua on 2017/8/18.
//
/*
#include <libavutil/time.h>
#include "liveStreamImlp.h"

#define LOGE(format, ...)  __android_log_print(ANDROID_LOG_ERROR, "NIODATA", format, ##__VA_ARGS__)
#define LOGI(format, ...)  __android_log_print(ANDROID_LOG_INFO,  "NIODATA", format, ##__VA_ARGS__)
#define LOGI2(format, ...)  __android_log_print(ANDROID_LOG_INFO,  "NIODATA", format, ##__VA_ARGS__)

//#define STREAM_DURATION   1000.0
#define STREAM_FRAME_RATE 30 *//* 25 images/s *//*
#define STREAM_PIX_FMT    AV_PIX_FMT_YUV420P *//* default pix_fmt *//*

#define VIEW_WIDTH 352//1920     //352
#define VIEW_HEIGHT 288//1080    //288

#define SCALE_FLAGS SWS_BICUBIC

// a wrapper around a single output AVStream
typedef struct OutputStream {
    AVStream *st;
    AVCodecContext *enc;

    *//* pts of the next frame that will be generated *//*
    int64_t next_pts;
    int samples_count;

    AVFrame *frame;
    AVFrame *tmp_frame;

    float t, tincr, tincr2;

    struct SwsContext *sws_ctx;
    struct SwrContext *swr_ctx;
} OutputStream;

AVBitStreamFilterContext* faacbsfc = NULL;
OutputStream video_st = { 0 }, audio_st = { 0 };
const char *filename;
AVOutputFormat *fmt;
AVFormatContext *oc;
AVCodec *audio_codec, *video_codec;
int ret;
int have_video = 0, have_audio = 0;
int encode_video = 0, encode_audio = 0;
AVDictionary *opt = NULL;
int64_t start_time;
int64_t frame_index=0;
int64_t framecnt_a = 0;
int y_length;
int uv_length;

static void log_packet(const AVFormatContext *fmt_ctx, const AVPacket *pkt)
{
    AVRational *time_base = &fmt_ctx->streams[pkt->stream_index]->time_base;

    LOGI2("pts:%s pts_time:%s dts:%s dts_time:%s duration:%s duration_time:%s stream_index:%d\n",
           av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, time_base),
           av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, time_base),
           av_ts2str(pkt->duration), av_ts2timestr(pkt->duration, time_base),
           pkt->stream_index);
}

static int write_frame(AVFormatContext *fmt_ctx, const AVRational *time_base, AVStream *st, AVPacket *pkt)
{
    *//* rescale output packet timestamp values from codec to stream timebase *//*
    av_packet_rescale_ts(pkt, *time_base, st->time_base);
    pkt->stream_index = st->index;

    *//* Write the compressed frame to the media file. *//*
    log_packet(fmt_ctx, pkt);
    return av_interleaved_write_frame(fmt_ctx, pkt);
}

*//* Add an output stream. *//*
static void add_stream(OutputStream *ost, AVFormatContext *oc,
                       AVCodec **codec,
                       enum AVCodecID codec_id)
{
    AVCodecContext *c;
    int i;

    *//* find the encoder *//*
    *codec = avcodec_find_encoder(codec_id);
    if (!(*codec)) {
        LOGI("Could not find encoder for '%s'\n",
             avcodec_get_name(codec_id));
        exit(1);
    }
    LOGI("===codec name==== %s ======",(*codec)->name);

    ost->st = avformat_new_stream(oc, NULL);
    if (!ost->st) {
        LOGI("Could not allocate stream\n");
        exit(1);
    }
    ost->st->id = oc->nb_streams-1;
    c = avcodec_alloc_context3(*codec);
    if (!c) {
        LOGI("Could not alloc an encoding context\n");
        exit(1);
    }
    ost->enc = c;

    switch ((*codec)->type) {
        case AVMEDIA_TYPE_AUDIO:
//            c->sample_fmt  = (*codec)->sample_fmts ?
//                             (*codec)->sample_fmts[0] : AV_SAMPLE_FMT_FLTP;
            c->sample_fmt = AV_SAMPLE_FMT_S16;
            c->bit_rate    = 64000;
            c->sample_rate = 44100;
            *//*if ((*codec)->supported_samplerates) {
                c->sample_rate = (*codec)->supported_samplerates[0];
                for (i = 0; (*codec)->supported_samplerates[i]; i++) {
                    if ((*codec)->supported_samplerates[i] == 44100)
                        c->sample_rate = 44100;
                }
            }*//*
            c->channels        = av_get_channel_layout_nb_channels(c->channel_layout);

            LOGI("c->channels = %d",c->channels);

            c->channel_layout = AV_CH_LAYOUT_STEREO;
            if ((*codec)->channel_layouts) {
                c->channel_layout = (*codec)->channel_layouts[0];
                for (i = 0; (*codec)->channel_layouts[i]; i++) {
                    if ((*codec)->channel_layouts[i] == AV_CH_LAYOUT_STEREO)
                        c->channel_layout = AV_CH_LAYOUT_STEREO;
                }
            }
            ost->st->time_base = (AVRational){ 1, c->sample_rate };
//            c->time_base = ost->st->time_base;
            break;

        case AVMEDIA_TYPE_VIDEO:
            c->codec_id = codec_id;

            c->bit_rate = 400000;
//            c->bit_rate = 800000;
            *//* Resolution must be a multiple of two. *//*
            c->width    = VIEW_WIDTH;
            c->height   = VIEW_HEIGHT;
            *//* timebase: This is the fundamental unit of time (in seconds) in terms
             * of which frame timestamps are represented. For fixed-fps content,
             * timebase should be 1/framerate and timestamp increments should be
             * identical to 1. *//*
            ost->st->time_base = (AVRational){ 1, STREAM_FRAME_RATE };
            c->time_base       = ost->st->time_base;

            c->gop_size      =250; //30;//12; *//* emit one intra frame every twelve frames at most *//*
            c->pix_fmt       = STREAM_PIX_FMT;


            if (c->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
                *//* just for testing, we also add B-frames *//*
                c->max_b_frames = 2;
            }
            if (c->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
                *//* Needed to avoid using macroblocks in which some coeffs overflow.
                 * This does not happen with normal video, it just happens here as
                 * the motion of the chroma plane does not match the luma plane. *//*
                c->mb_decision = 2;
            }
//            c->max_b_frames = 3;
//            c->qmin = 10;
//            c->qmax = 51;
            break;

        default:
            break;
    }

    *//* Some formats want stream headers to be separate. *//*
    if (oc->oformat->flags & AVFMT_GLOBALHEADER)
        c->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
}

*//**************************************************************//*
*//* audio output *//*

static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt,
                                  uint64_t channel_layout,
                                  int sample_rate, int nb_samples)
{
    AVFrame *frame = av_frame_alloc();
    int ret;

    if (!frame) {
//        fprintf(stderr, "Error allocating an audio frame\n");
        LOGI("Error allocating an audio frame\n");
        exit(1);
    }

    frame->format = sample_fmt;
    frame->channel_layout = channel_layout;
    frame->sample_rate = sample_rate;
    frame->nb_samples = nb_samples;

    if (nb_samples) {
        ret = av_frame_get_buffer(frame, 0);
        if (ret < 0) {
//            fprintf(stderr, "Error allocating an audio buffer\n");
            LOGI("Error allocating an audio buffer\n");
            exit(1);
        }
    }

    return frame;
}

static void open_audio(AVFormatContext *oc, AVCodec *codec, OutputStream *ost, AVDictionary *opt_arg)
{
    AVCodecContext *c;
    int nb_samples;
    int ret;
    AVDictionary *opt = NULL;

    c = ost->enc;

    *//* open it *//*
    av_dict_copy(&opt, opt_arg, 0);
    ret = avcodec_open2(c, codec, &opt);
    av_dict_free(&opt);
    if (ret < 0) {
//        fprintf(stderr, "Could not open audio codec: %s\n", av_err2str(ret));
        LOGI("Could not open audio codec: %s\n", av_err2str(ret));
        exit(1);
    }

    *//* init signal generator *//*
    ost->t     = 0;
    ost->tincr = 2 * M_PI * 110.0 / c->sample_rate;
    *//* increment frequency by 110 Hz per second *//*
    ost->tincr2 = 2 * M_PI * 110.0 / c->sample_rate / c->sample_rate;

    if (c->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
        nb_samples = 10000;
    else
        nb_samples = c->frame_size;

    ost->frame     = alloc_audio_frame(c->sample_fmt, c->channel_layout,
                                       c->sample_rate, nb_samples);
    ost->tmp_frame = alloc_audio_frame(AV_SAMPLE_FMT_S16, c->channel_layout,
                                       c->sample_rate, nb_samples);

    *//* copy the stream parameters to the muxer *//*
    ret = avcodec_parameters_from_context(ost->st->codecpar, c);
    if (ret < 0) {
        LOGI("Could not copy the stream parameters\n");
        exit(1);
    }

    *//* create resampler context *//*
    ost->swr_ctx = swr_alloc();
    if (!ost->swr_ctx) {
        LOGI("Could not allocate resampler context\n");
        exit(1);
    }

    *//* set options *//*
    av_opt_set_int       (ost->swr_ctx, "in_channel_count",   c->channels,       0);
    av_opt_set_int       (ost->swr_ctx, "in_sample_rate",     c->sample_rate,    0);
    av_opt_set_sample_fmt(ost->swr_ctx, "in_sample_fmt",      AV_SAMPLE_FMT_S16, 0);
    av_opt_set_int       (ost->swr_ctx, "out_channel_count",  c->channels,       0);
    av_opt_set_int       (ost->swr_ctx, "out_sample_rate",    c->sample_rate,    0);
    av_opt_set_sample_fmt(ost->swr_ctx, "out_sample_fmt",     c->sample_fmt,     0);

    *//* initialize the resampling context *//*
    if ((ret = swr_init(ost->swr_ctx)) < 0) {
        LOGI("Failed to initialize the resampling context\n");
        exit(1);
    }
}

*//* Prepare a 16 bit dummy audio frame of 'frame_size' samples and
 * 'nb_channels' channels. *//*
static AVFrame *get_audio_frame(OutputStream *ost,jbyte* au,int size)
{
    AVFrame *frame = ost->tmp_frame;
    int j, i, v;
    int16_t *q = (int16_t*)frame->data[0];

    *//* check if we want to generate more frames *//*
    *//*if (av_compare_ts(ost->next_pts, ost->enc->time_base,
                      STREAM_DURATION, (AVRational){ 1, 1 }) >= 0)
        return NULL;*//*

//    LOGI("=========XXXX000!");
    uint8_t *frame_buf = (uint8_t *)av_malloc(size);

//    LOGI("=========XXXX111!");
    if(memcpy(frame_buf,au,size)<=0){
        LOGI("Failed to read raw data!");
        return NULL;
    }
//    LOGI("=========XXXX222!");
//    frame->data[0] = frame_buf;

    for (j = 0; j <frame->nb_samples; j++) {
        v = (int)(sin(ost->t) * 10000);
        for (i = 0; i < ost->enc->channels; i++)
            *q++ = au++;
        ost->t     += ost->tincr;
        ost->tincr += ost->tincr2;
    }

    frame->pts = ost->next_pts;
    ost->next_pts  += frame->nb_samples;

    return frame;
}

static
*//*
 * encode one audio frame and send it to the muxer
 * return 1 when encoding is finished, 0 otherwise
 *//*
static int write_audio_frame(AVFormatContext *oc, OutputStream *ost,jbyte* au,int datasize)
{
    AVCodecContext *c;
    AVPacket pkt = { 0 }; // data and size must be 0;
    AVFrame *frame;
    int ret;
    int got_packet;
    int dst_nb_samples;

    av_init_packet(&pkt);
    c = ost->enc;

    frame = ost->tmp_frame;
    LOGI("=====send audio");
    int size = av_samples_get_buffer_size(NULL,c->channels,
                                          c->frame_size,c->sample_fmt,1);

    uint8_t *frame_buf = (uint8_t *)av_malloc(size*4);
    avcodec_fill_audio_frame(frame,c->channels,c->sample_fmt,(const uint8_t *)frame_buf,size,1);
    if(memcpy(frame_buf,au,datasize)<=0){
        LOGE("Failed to read raw data!");
        return -1;
    }
    frame->data[0] = frame_buf;
//    frame = get_audio_frame(ost, au,size);

    ret = avcodec_encode_audio2(c, &pkt, frame, &got_packet);
    if (ret < 0) {
        LOGI("Error encoding audio frame: %s\n", av_err2str(ret));
        exit(1);
    }

    if (got_packet) {
        LOGI("==========get audio packet");

        pkt.stream_index = ost->st->index;

        av_bitstream_filter_filter(faacbsfc, c, NULL, &pkt.data, &pkt.size, pkt.data, pkt.size, 0);

        //Write PTS
        AVRational time_base=oc->streams[ost->st->index]->time_base;

        //��ʾһ��30֡
        AVRational r_framerate1 = {c->sample_rate, 1 };
        AVRational time_base_q = AV_TIME_BASE_Q;

        //Duration between 2 frames (us)��֮֡���ʱ����������ĵ�λ��΢��
        int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1));	//�ڲ�ʱ���


        //Parameters
        int64_t timett = av_gettime();
        int64_t now_time = timett - start_time;
        pkt.pts = av_rescale_q(now_time, time_base_q, time_base);;
        pkt.dts=pkt.pts;
        pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base);

        pkt.pos = -1;

//        framecnt_a++;
//        pkt.duration = pkt.duration * framecnt_a;

        *//* Write the compressed frame to the media file. *//*
        log_packet(oc, &pkt);
        ret = av_interleaved_write_frame(oc, &pkt);

        if (ret < 0) {
            LOGI("Error while writing audio frame: %s\n",
                 av_err2str(ret));
            exit(1);
        }
    }

    return (frame || got_packet) ? 0 : 1;
}

static int write_audio_frame2(AVFormatContext *oc, OutputStream *ost,jbyte* au,int size)
{
    AVCodecContext *c;
    AVPacket pkt = { 0 }; // data and size must be 0;
    AVFrame *frame;
    int ret;
    int got_packet;
    int dst_nb_samples;

    av_init_packet(&pkt);
    c = ost->enc;

    LOGI("=====send audio");
//    LOGI("===== before get audio");
    frame = get_audio_frame(ost, au,size);

//    LOGI("===== after get audio");
    if (frame) {

//        LOGI("===== frame not null");

        *//* convert samples from native format to destination codec format, using the resampler *//*
        *//* compute destination number of samples *//*
        dst_nb_samples = av_rescale_rnd(swr_get_delay(ost->swr_ctx, c->sample_rate) + frame->nb_samples,
                                        c->sample_rate, c->sample_rate, AV_ROUND_UP);
        av_assert0(dst_nb_samples == frame->nb_samples);

        *//* when we pass a frame to the encoder, it may keep a reference to it
         * internally;
         * make sure we do not overwrite it here
         *//*
        ret = av_frame_make_writable(ost->frame);
        if (ret < 0)
            exit(1);

        *//* convert to destination format *//*
        ret = swr_convert(ost->swr_ctx,
                          ost->frame->data, dst_nb_samples,
                          (const uint8_t **)frame->data, frame->nb_samples);
        if (ret < 0) {
//            fprintf(stderr, "Error while converting\n");
            LOGI("Error while converting\n");
            exit(1);
        }
        frame = ost->frame;

        frame->pts = av_rescale_q(ost->samples_count, (AVRational){1, c->sample_rate}, c->time_base);
        ost->samples_count += dst_nb_samples;
    }

    ret = avcodec_encode_audio2(c, &pkt, frame, &got_packet);
    if (ret < 0) {
//        fprintf(stderr, "Error encoding audio frame: %s\n", av_err2str(ret));
        LOGI("Error encoding audio frame: %s\n", av_err2str(ret));
        exit(1);
    }

    if (got_packet) {
        LOGI("==========get audio packet");

        pkt.stream_index = ost->st->index;

        AVRational time_base=oc->streams[ost->st->index]->time_base;

        //��ʾһ��30֡
        AVRational r_framerate1 = {c->sample_rate, 1 };
        AVRational time_base_q = AV_TIME_BASE_Q;

        //Duration between 2 frames (us)��֮֡���ʱ����������ĵ�λ��΢��
        int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1));	//�ڲ�ʱ���

*//*		enc_pkt_a.pts = av_rescale_q(nb_samples*calc_duration, time_base_q, time_base);
		enc_pkt_a.dts=enc_pkt_a.pts;
		enc_pkt_a.duration = av_rescale_q(calc_duration, time_base_q, time_base);*//*

        //Parameters
        int64_t timett = av_gettime();
        int64_t now_time = timett - start_time;
        pkt.pts = av_rescale_q(now_time, time_base_q, time_base);;
        pkt.dts=pkt.pts;
        pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base);

        pkt.pos = -1;

        *//* Write the compressed frame to the media file. *//*
        log_packet(oc, &pkt);
        ret = av_interleaved_write_frame(oc, &pkt);

//        ret = write_frame(oc, &c->time_base, ost->st, &pkt);
        if (ret < 0) {
//            fprintf(stderr, "Error while writing audio frame: %s\n",
//                    av_err2str(ret));
            LOGI("Error while writing audio frame: %s\n",
                 av_err2str(ret));
            exit(1);
        }
    }

    return (frame || got_packet) ? 0 : 1;
}

*//**************************************************************//*
*//* video output *//*

static AVFrame *alloc_picture(enum AVPixelFormat pix_fmt, int width, int height)
{
    AVFrame *picture;
    int ret;

    picture = av_frame_alloc();
    if (!picture)
        return NULL;

    picture->format = pix_fmt;
    picture->width  = width;
    picture->height = height;

    *//* allocate the buffers for the frame data *//*
    ret = av_frame_get_buffer(picture, 32);
    if (ret < 0) {
//        fprintf(stderr, "Could not allocate frame data.\n");
        LOGI("Could not allocate frame data.\n");
        exit(1);
    }

    return picture;
}

static void open_video(AVFormatContext *oc, AVCodec *codec, OutputStream *ost, AVDictionary *opt_arg)
{
    int ret;
    AVCodecContext *c = ost->enc;
    AVDictionary *opt = NULL;

    av_dict_copy(&opt, opt_arg, 0);

    av_dict_set(&opt, "preset", "ultrafast", 0);
//    av_dict_set(&opt, "preset", "slow", 0);
    av_dict_set(&opt, "tune", "zerolatency", 0);

    *//* open the codec *//*
    ret = avcodec_open2(c, codec, &opt);
    av_dict_free(&opt);
    if (ret < 0) {
//        fprintf(stderr, "Could not open video codec: %s\n", av_err2str(ret));
        LOGI("Could not open video codec: %s\n", av_err2str(ret));
        exit(1);
    }

    *//* allocate and init a re-usable frame *//*
    ost->frame = alloc_picture(c->pix_fmt, c->width, c->height);
    if (!ost->frame) {
//        fprintf(stderr, "Could not allocate video frame\n");
        LOGI("Could not allocate video frame\n");
        exit(1);
    }

    *//* If the output format is not YUV420P, then a temporary YUV420P
     * picture is needed too. It is then converted to the required
     * output format. *//*
    ost->tmp_frame = NULL;
    if (c->pix_fmt != AV_PIX_FMT_YUV420P) {
        ost->tmp_frame = alloc_picture(AV_PIX_FMT_YUV420P, c->width, c->height);
        if (!ost->tmp_frame) {
//            fprintf(stderr, "Could not allocate temporary picture\n");
            LOGI("Could not allocate temporary picture\n");
            exit(1);
        }
    }

    *//* copy the stream parameters to the muxer *//*
    ret = avcodec_parameters_from_context(ost->st->codecpar, c);
    if (ret < 0) {
//        fprintf(stderr, "Could not copy the stream parameters\n");
        LOGI("Could not copy the stream parameters\n");
        exit(1);
    }
}

*//* Prepare a dummy image. *//*
static void fill_yuv_image(AVFrame *pict, int frame_index,
                           int width, int height,jbyte* yuv)
{
    int i;
//    uint8_t *out_buffer = (uint8_t *)av_malloc(avpicture_get_size(AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height));
//    avpicture_fill((AVPicture *)pict, out_buffer, AV_PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height);

//    jbyte* in= (jbyte*)(*env)->GetByteArrayElements(env,yuv,0);
    memcpy(pict->data[0],yuv,y_length);
    for(i=0;i<uv_length;i++)
    {
        *(pict->data[1]+i)=*(yuv+y_length+i*2);
        *(pict->data[2]+i)=*(yuv+y_length+i*2+1);
    }

}

static AVFrame *get_video_frame(OutputStream *ost,jbyte* yuv)
{
    AVCodecContext *c = ost->enc;

    *//* check if we want to generate more frames *//*
    *//*if (av_compare_ts(ost->next_pts, c->time_base,
                      STREAM_DURATION, (AVRational){ 1, 1 }) >= 0)
        return NULL;*//*

    *//* when we pass a frame to the encoder, it may keep a reference to it
     * internally; make sure we do not overwrite it here *//*
    if (av_frame_make_writable(ost->frame) < 0)
        exit(1);

    if (c->pix_fmt != AV_PIX_FMT_YUV420P) {
        *//* as we only generate a YUV420P picture, we must convert it
         * to the codec pixel format if needed *//*
        if (!ost->sws_ctx) {
            ost->sws_ctx = sws_getContext(c->width, c->height,
                                          AV_PIX_FMT_YUV420P,
                                          c->width, c->height,
                                          c->pix_fmt,
                                          SCALE_FLAGS, NULL, NULL, NULL);
            if (!ost->sws_ctx) {
//                fprintf(stderr,
//                        "Could not initialize the conversion context\n");
                LOGI("Could not initialize the conversion context\n");
                exit(1);
            }
        }
        fill_yuv_image(ost->tmp_frame, ost->next_pts, c->width, c->height,yuv);
        sws_scale(ost->sws_ctx,
                  (const uint8_t * const *)ost->tmp_frame->data, ost->tmp_frame->linesize,
                  0, c->height, ost->frame->data, ost->frame->linesize);
    } else {
        fill_yuv_image(ost->frame, ost->next_pts, c->width, c->height,yuv);
    }

//    ost->frame->pts = ost->next_pts++;

    return ost->frame;
}

*//*
 * encode one video frame and send it to the muxer
 * return 1 when encoding is finished, 0 otherwise
 *//*
static int write_video_frame(AVFormatContext *oc, OutputStream *ost,jbyte* yuv)
{
    int ret;
    AVCodecContext *c;
    AVFrame *frame;
    int got_packet = 0;
    AVPacket pkt = { 0 };

    LOGI("=====send vedio");

    c = ost->enc;

    frame = get_video_frame(ost,yuv);

    av_init_packet(&pkt);

    *//* encode the image *//*
    ret = avcodec_encode_video2(c, &pkt, frame, &got_packet);
    if (ret < 0) {
//        fprintf(stderr, "Error encoding video frame: %s\n", av_err2str(ret));
        LOGI("Error encoding video frame: %s\n", av_err2str(ret));
        exit(1);
    }

    if (got_packet) {
        //Write PTS
        pkt.stream_index = ost->st->index;
        AVRational time_base=oc->streams[0]->time_base;

        AVRational r_framerate1 = {30, 1 };
        AVRational time_base_q = AV_TIME_BASE_Q;

        int64_t calc_duration = (double)(AV_TIME_BASE)*(1 / av_q2d(r_framerate1));


        //Parameters
        int64_t timett = av_gettime();
        int64_t now_time = timett - start_time;
        pkt.pts = av_rescale_q(now_time, time_base_q, time_base);;
        pkt.dts=pkt.pts;
        pkt.duration = av_rescale_q(calc_duration, time_base_q, time_base);

        pkt.pos = -1;

        *//*if(pkt.pts==AV_NOPTS_VALUE){
            //Write PTS
            AVRational time_base1=oc->streams[video_st.st->id]->time_base;
            //Duration between 2 frames (us)
            int64_t calc_duration=(double)AV_TIME_BASE/av_q2d(oc->streams[video_st.st->id]->r_frame_rate);
            //Parameters
            pkt.pts=(double)(frame_index*calc_duration)/(double)(av_q2d(time_base1)*AV_TIME_BASE);
            pkt.dts=pkt.pts;
            pkt.duration=(double)calc_duration/(double)(av_q2d(time_base1)*AV_TIME_BASE);
        }
        AVRational time_base= oc->streams[video_st.st->id]->time_base; //ost->streams[videoindex]->time_base;
        AVRational time_base_q={1,AV_TIME_BASE};
        int64_t pts_time = av_rescale_q(pkt.dts, time_base, time_base_q);
        int64_t now_time = av_gettime() - start_time;
        if (pts_time > now_time)
            av_usleep(pts_time - now_time);*//*

//        pkt.pts = av_rescale_q_rnd(pkt.pts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
//        pkt.dts = av_rescale_q_rnd(pkt.dts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
//        pkt.duration = av_rescale_q(pkt.duration, in_stream->time_base, out_stream->time_base);
//        pkt.pos = -1;

//        av_packet_rescale_ts(&pkt, c->time_base, ost->st->time_base);


        frame_index++;

        log_packet(oc, &pkt);

        ret = av_interleaved_write_frame(oc, &pkt);

//        ret = write_frame(oc, &c->time_base, ost->st, &pkt);
    } else {
        ret = 0;
    }

    if (ret < 0) {
//        fprintf(stderr, "Error while writing video frame: %s\n", av_err2str(ret));
        LOGI("Error while writing video frame: %s\n", av_err2str(ret));
        exit(1);
    }

    return (frame || got_packet) ? 0 : 1;
}

static void close_stream(AVFormatContext *oc, OutputStream *ost)
{
    avcodec_free_context(&ost->enc);
    av_frame_free(&ost->frame);
    av_frame_free(&ost->tmp_frame);
    sws_freeContext(ost->sws_ctx);
    swr_free(&ost->swr_ctx);
}

*//**************************************************************//*
*//* media file output *//*

int init(char *outputfilename)
{
    y_length=VIEW_WIDTH*VIEW_HEIGHT;
    uv_length=VIEW_WIDTH*VIEW_HEIGHT/4;
    *//* Initialize libavcodec, and register all codecs and formats. *//*
    av_register_all();

    //Network
    avformat_network_init();

    faacbsfc =  av_bitstream_filter_init("aac_adtstoasc");

//    filename = "xyxz.flv";
    filename = outputfilename;


    LOGI("111111111111");
    *//* allocate the output media context *//*
//    avformat_alloc_output_context2(&oc, NULL, NULL, filename);
    avformat_alloc_output_context2(&oc, NULL, "flv",outputfilename);
//    avformat_alloc_output_context2(&oc, NULL, "h264",outputfilename);
    if (!oc) {
        LOGI2("Could not deduce output format from file extension: using MPEG.\n");
//        avformat_alloc_output_context2(&oc, NULL, "mpeg", outputfilename);
    }
    if (!oc)
        return 1;

    LOGI("222222222222");

    fmt = oc->oformat;
    LOGI("====fmt->video_codec =  %d", fmt->video_codec);
    LOGI("====fmt->audio_codec =  %d", fmt->audio_codec);

    *//* Add the audio and video streams using the default format codecs
     * and initialize the codecs. *//*
    if (fmt->video_codec != AV_CODEC_ID_NONE) {
        add_stream(&video_st, oc, &video_codec, fmt->video_codec);
        have_video = 1;
        encode_video = 1;
    }
    if (fmt->audio_codec != AV_CODEC_ID_NONE) {
        add_stream(&audio_st, oc, &audio_codec, fmt->audio_codec);
        have_audio = 1;
        encode_audio = 1;
    }
    *//* Now that all the parameters are set, we can open the audio and
     * video codecs and allocate the necessary encode buffers. *//*
    if (have_video)
        open_video(oc, video_codec, &video_st, opt);

    if (have_audio)
        open_audio(oc, audio_codec, &audio_st, opt);

    av_dump_format(oc, 0, filename, 1);

    *//* open the output file, if needed *//*
    if (!(fmt->flags & AVFMT_NOFILE)) {
        ret = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE);
        if (ret < 0) {
//            fprintf(stderr, "Could not open '%s': %s\n", filename,
//                    av_err2str(ret));
            LOGI("Could not open '%s': %s\n", filename,
                 av_err2str(ret));
            return 1;
        }
    }

    LOGI("3333333");

    *//* Write the stream header, if any. *//*
    ret = avformat_write_header(oc, &opt);
    if (ret < 0) {
//        fprintf(stderr, "Error occurred when opening output file: %s\n",
//                av_err2str(ret));
        LOGI("Error occurred when opening output file: %s\n",
             av_err2str(ret));
        return 1;
    }

//    start_time = av_gettime();
}
int initStartTime(){
    start_time = av_gettime();
}
int sendVideo(jbyte* yuv){
    write_video_frame(oc, &video_st, yuv);
}
int sendAudio(jbyte* au,int size){
    write_audio_frame(oc, &audio_st, au,size );
}

int destroy(){
    LOGI("666666");
    *//* Close each codec. *//*
    if (have_video)
        close_stream(oc, &video_st);
    if (have_audio)
        close_stream(oc, &audio_st);

    if (!(fmt->flags & AVFMT_NOFILE))
        *//* Close the output file. *//*
        avio_closep(&oc->pb);

    *//* free the stream *//*
    avformat_free_context(oc);

    return 0;
}

int finishStream(){
    LOGI("5555555");
    *//* Write the trailer, if any. The trailer must be written before you
     * close the CodecContexts open when you wrote the header; otherwise
     * av_write_trailer() may try to use memory that was freed on
     * av_codec_close(). *//*
    av_write_trailer(oc);

    destroy();

    return 0;
}



int sendFrame(jbyteArray data){
    LOGI("444444");
    while (encode_video || encode_audio) {
        *//* select the stream to encode *//*
        if (encode_video &&
            (!encode_audio || av_compare_ts(video_st.next_pts, video_st.enc->time_base,
                                            audio_st.next_pts, audio_st.enc->time_base) <= 0)) {
//            encode_video = !write_video_frame(oc, &video_st);
        } else {
//            encode_audio = !write_audio_frame(oc, &audio_st);
        }
    }

}*/

/*int livestream(char *outputfilename)
{

    int i;


    *//* Initialize libavcodec, and register all codecs and formats. *//*
    av_register_all();

    //Network
    avformat_network_init();

//    filename = "xyxz.flv";
    filename = outputfilename;


    LOGI("111111111111");
    *//* allocate the output media context *//*
//    avformat_alloc_output_context2(&oc, NULL, NULL, filename);
    avformat_alloc_output_context2(&oc, NULL, "flv",outputfilename);
    if (!oc) {
        LOGI2("Could not deduce output format from file extension: using MPEG.\n");
        avformat_alloc_output_context2(&oc, NULL, "mpeg", outputfilename);
    }
    if (!oc)
        return 1;

    LOGI("222222222222");
    fmt = oc->oformat;

    *//* Add the audio and video streams using the default format codecs
     * and initialize the codecs. *//*
    if (fmt->video_codec != AV_CODEC_ID_NONE) {
        add_stream(&video_st, oc, &video_codec, fmt->video_codec);
        have_video = 1;
        encode_video = 1;
    }
    if (fmt->audio_codec != AV_CODEC_ID_NONE) {
        add_stream(&audio_st, oc, &audio_codec, fmt->audio_codec);
        have_audio = 1;
        encode_audio = 1;
    }

    *//* Now that all the parameters are set, we can open the audio and
     * video codecs and allocate the necessary encode buffers. *//*
    if (have_video)
        open_video(oc, video_codec, &video_st, opt);

    if (have_audio)
        open_audio(oc, audio_codec, &audio_st, opt);

    av_dump_format(oc, 0, filename, 1);

    *//* open the output file, if needed *//*
    if (!(fmt->flags & AVFMT_NOFILE)) {
        ret = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE);
        if (ret < 0) {
            fprintf(stderr, "Could not open '%s': %s\n", filename,
                    av_err2str(ret));
            return 1;
        }
    }

    LOGI("3333333");

    *//* Write the stream header, if any. *//*
    ret = avformat_write_header(oc, &opt);
    if (ret < 0) {
        fprintf(stderr, "Error occurred when opening output file: %s\n",
                av_err2str(ret));
        return 1;
    }

    LOGI("444444");
    while (encode_video || encode_audio) {
        *//* select the stream to encode *//*
        if (encode_video &&
            (!encode_audio || av_compare_ts(video_st.next_pts, video_st.enc->time_base,
                                            audio_st.next_pts, audio_st.enc->time_base) <= 0)) {
            encode_video = !write_video_frame(oc, &video_st);
        } else {
            encode_audio = !write_audio_frame(oc, &audio_st);
        }
    }

    LOGI("5555555");
    *//* Write the trailer, if any. The trailer must be written before you
     * close the CodecContexts open when you wrote the header; otherwise
     * av_write_trailer() may try to use memory that was freed on
     * av_codec_close(). *//*
    av_write_trailer(oc);

    LOGI("666666");
    *//* Close each codec. *//*
    if (have_video)
        close_stream(oc, &video_st);
    if (have_audio)
        close_stream(oc, &audio_st);

    if (!(fmt->flags & AVFMT_NOFILE))
        *//* Close the output file. *//*
        avio_closep(&oc->pb);

    *//* free the stream *//*
    avformat_free_context(oc);

    return 0;
}*/